You may perform this lookup using the API and get the results as easy-to-parse JSON data.
Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.
Checking 54.240.24.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 39ms
058
+017
Checking 54.240.24.0 against Barracuda Central. Not listed (NotExistentDomain). 16ms
099
+000
Checking 54.240.24.0 against spamcop. Not listed (NotExistentDomain). 43ms
123
+000
Checking 54.240.24.0 against SURBL (multi). Not listed (NotExistentDomain). 34ms
151
+052
Checking 54.240.24.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 51ms
180
+057
Checking 54.240.24.0 against GBUdb. Not listed (NotExistentDomain). 57ms
210
+058
Checking 54.240.24.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 58ms
240
+060
Checking 54.240.24.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 59ms
301
+000
Checking 54.240.24.0 against SORBS. Not listed (NotExistentDomain). 198ms
403
+000
Checking 54.240.24.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 300ms
440
+382
Checking 54.240.24.0 against Spamrats!. Error: ServerFailure. 382ms
550
+110
Done
550
+000
11 DNSBL's checked in 549ms.
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